mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 22:36:09 +03:00
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef NET_FTP_FTP_CTRL_RESPONSE_BUFFER_H_
|
|
#define NET_FTP_FTP_CTRL_RESPONSE_BUFFER_H_
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "base/containers/queue.h"
|
|
#include "base/macros.h"
|
|
#include "net/base/net_export.h"
|
|
#include "net/log/net_log_with_source.h"
|
|
|
|
namespace net {
|
|
|
|
struct NET_EXPORT_PRIVATE FtpCtrlResponse {
|
|
static const int kInvalidStatusCode;
|
|
|
|
FtpCtrlResponse();
|
|
FtpCtrlResponse(const FtpCtrlResponse& other);
|
|
~FtpCtrlResponse();
|
|
|
|
int status_code; // Three-digit status code.
|
|
std::vector<std::string> lines; // Response lines, without CRLFs.
|
|
};
|
|
|
|
class NET_EXPORT_PRIVATE FtpCtrlResponseBuffer {
|
|
public:
|
|
FtpCtrlResponseBuffer(const NetLogWithSource& net_log);
|
|
~FtpCtrlResponseBuffer();
|
|
|
|
// Called when data is received from the control socket. Returns error code.
|
|
int ConsumeData(const char* data, int data_length);
|
|
|
|
bool ResponseAvailable() const {
|
|
return !responses_.empty();
|
|
}
|
|
|
|
// Returns the next response. It is an error to call this function
|
|
// unless ResponseAvailable returns true.
|
|
FtpCtrlResponse PopResponse();
|
|
|
|
private:
|
|
struct ParsedLine {
|
|
ParsedLine();
|
|
ParsedLine(const ParsedLine& other);
|
|
|
|
// Indicates that this line begins with a valid 3-digit status code.
|
|
bool has_status_code;
|
|
|
|
// Indicates that this line has the dash (-) after the code, which
|
|
// means a multiline response.
|
|
bool is_multiline;
|
|
|
|
// Indicates that this line could be parsed as a complete and valid
|
|
// response line, without taking into account preceding lines (which
|
|
// may change its meaning into a continuation of the previous line).
|
|
bool is_complete;
|
|
|
|
// Part of response parsed as status code.
|
|
int status_code;
|
|
|
|
// Part of response parsed as status text.
|
|
std::string status_text;
|
|
|
|
// Text before parsing, without terminating CRLF.
|
|
std::string raw_text;
|
|
};
|
|
|
|
static ParsedLine ParseLine(const std::string& line);
|
|
|
|
void ExtractFullLinesFromBuffer();
|
|
|
|
// We keep not-yet-parsed data in a string buffer.
|
|
std::string buffer_;
|
|
|
|
base::queue<ParsedLine> lines_;
|
|
|
|
// True if we are in the middle of parsing a multi-line response.
|
|
bool multiline_;
|
|
|
|
// When parsing a multiline response, we don't know beforehand if a line
|
|
// will have a continuation. So always store last line of multiline response
|
|
// so we can append the continuation to it.
|
|
std::string line_buf_;
|
|
|
|
// Keep the response data while we add all lines to it.
|
|
FtpCtrlResponse response_buf_;
|
|
|
|
// As we read full responses (possibly multiline), we add them to the queue.
|
|
base::queue<FtpCtrlResponse> responses_;
|
|
|
|
NetLogWithSource net_log_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(FtpCtrlResponseBuffer);
|
|
};
|
|
|
|
} // namespace net
|
|
|
|
#endif // NET_FTP_FTP_CTRL_RESPONSE_BUFFER_H_
|